Obs. : 2011-02-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.722e+11
Venus      3.725e+11
Earth      3.819e+11
Mars       3.722e+11
Jupiter    3.833e+11
Saturn     3.883e+11
Uranus     3.833e+11
Neptune    3.754e+11
Pluto      3.698e+11